Method and apparatus for group-specific calling | Patent Number 05506890

US 05506890 NA
Application Number8153526
Publication Number-
Pendency2 years, 4 months, 25 days
Filled DateNov 16, 1993
Priority DateNov 16, 1993
Publication Date-
Expiration DateNov 16, 2013
Inventor/Applicants Shri P. Jain
Paramdeep S. Sahni
Alok K. Gupta
Ajay Jain
ExaminesTSANG, FAN S
Art Unit2601
Technology Center2600
Assignments
At&t Company
Current
At&t ServicesAt&t Company
Original
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